{"product_id":"sika-西卡-sikawell-a-遇水膨脹止水條","title":"Sika Sikawell A","description":"\u003chr\u003e\n\u003ch2\u003eSikaSwell® A — Hydrophilic Swellable Joint Sealing Profile\u003c\/h2\u003e\n\u003cp\u003eSikaSwell® A is a rectangular acrylic polymer sealing profile that swells in contact with water to seal all types of construction joints and penetrations in concrete structures. It provides a permanent, self-activating waterstop barrier that shrinks back when dry and re-expands upon further water contact.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHydrophilic acrylic polymer — swells up to ~150% volume in 30 days (EN 14498)\u003c\/li\u003e\n\u003cli\u003ePermanently water resistant through wet and dry cycles\u003c\/li\u003e\n\u003cli\u003eResistant to various chemical substances\u003c\/li\u003e\n\u003cli\u003eEasy and fast to apply on different substrates\u003c\/li\u003e\n\u003cli\u003eFills small cracks and voids with unique swelling properties\u003c\/li\u003e\n\u003cli\u003eBBA system approvals with SikaSwell® S-2 (Certificate No. 13\/4994)\u003c\/li\u003e\n\u003cli\u003eConforms with LEED v4 MR credit — Building product disclosure and optimization\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConstruction joint sealing in concrete structures\u003c\/li\u003e\n\u003cli\u003ePipe and steel work penetrations through walls and floor slabs\u003c\/li\u003e\n\u003cli\u003eAll types of penetrations and connection joints\u003c\/li\u003e\n\u003cli\u003eConstruction joints in cable ducts\u003c\/li\u003e\n\u003cli\u003eUnderground structures, water tanks, and pools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;margin-bottom:16px\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f0f0f0\"\u003e\u003cth\u003eProperty\u003c\/th\u003e\u003cth\u003eValue\u003c\/th\u003e\u003cth\u003eStandard\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eChemical Base\u003c\/td\u003e\u003ctd\u003eAcrylic polymer\u003c\/td\u003e\u003ctd\u003e—\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eDensity (at +23 °C)\u003c\/td\u003e\u003ctd\u003e1.50 kg\/l\u003c\/td\u003e\u003ctd\u003eEN ISO 2811-1\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eDimensions (W × H × L)\u003c\/td\u003e\u003ctd\u003e20 × 10 mm, 10 m\/roll\u003c\/td\u003e\u003ctd\u003e—\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eShore A Hardness\u003c\/td\u003e\u003ctd\u003e10 ± 5\u003c\/td\u003e\u003ctd\u003eDIN 53505\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVolume Change — 1 day\u003c\/td\u003e\u003ctd\u003e~50%\u003c\/td\u003e\u003ctd rowspan=\"3\"\u003eEN 14498\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVolume Change — 7 days\u003c\/td\u003e\u003ctd\u003e~130%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVolume Change — 30 days\u003c\/td\u003e\u003ctd\u003e~150%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eSwelling Pressure (ideal concrete)\u003c\/td\u003e\u003ctd\u003e\u0026gt; 10 bar\u003c\/td\u003e\u003ctd\u003e—\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eService Temperature\u003c\/td\u003e\u003ctd\u003e-20 °C to +50 °C\u003c\/td\u003e\u003ctd\u003e—\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eApplication Temperature (air \u0026amp; substrate)\u003c\/td\u003e\u003ctd\u003e+5 °C to +35 °C\u003c\/td\u003e\u003ctd\u003e—\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eShelf Life\u003c\/td\u003e\u003ctd\u003e36 months from production\u003c\/td\u003e\u003ctd\u003e—\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eStorage\u003c\/td\u003e\u003ctd\u003eOriginal unopened packaging, dry, +5 to +35 °C\u003c\/td\u003e\u003ctd\u003e—\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eSystem Adhesive\u003c\/td\u003e\u003ctd\u003eSikaSwell® S-2\u003c\/td\u003e\u003ctd\u003e—\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNot suitable for movement joints — construction joints only\u003c\/li\u003e\n\u003cli\u003eRecommended for water pressures up to 2 bar; for higher pressures, consult Sika Technical Services\u003c\/li\u003e\n\u003cli\u003eSwelling is reduced and delayed in saline water — use SikaSwell® A Maritim version\u003c\/li\u003e\n\u003cli\u003eMinimum concrete cover: 8 cm (reinforced) \/ 15 cm (unreinforced) on both sides\u003c\/li\u003e\n\u003cli\u003eDo not apply in joints with existing standing water\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eWhat joints is SikaSwell A suitable for?\u003c\/h4\u003e\n\u003cp\u003eSikaSwell A is designed for construction joints in concrete, including pipe penetrations, steel work penetrations, and cable duct joints. It is not suitable for movement joints or expansion joints.\u003c\/p\u003e\n\n\u003ch4\u003eHow fast and how much does it swell?\u003c\/h4\u003e\n\u003cp\u003eIn demineralised water, it expands ~50% in 1 day, ~130% in 7 days, and ~150% in 30 days (EN 14498). Swelling is not instantaneous and takes several hours to begin. When dry, it shrinks back to original dimensions and re-expands on further water contact.\u003c\/p\u003e\n\n\u003ch4\u003eWhat adhesive is required for installation?\u003c\/h4\u003e\n\u003cp\u003eSikaSwell® S-2 adhesive is required. Apply a triangular bead (~12 mm tall × ~12 mm wide) and press the profile into the fresh adhesive within 30 minutes (+23 °C \/ 50% r.h.). Allow S-2 to harden for at least 12 hours (24 hours for pours \u0026gt; 50 cm) before placing concrete.\u003c\/p\u003e","brand":"Sika 西卡","offers":[{"title":"Default Title","offer_id":46352840065174,"sku":null,"price":1.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/9027\/1382\/files\/Sika_NoClaim_pos_rgb_30_7efac10c-5187-493d-9203-299d7a12ec7b.png?v=1776682070","url":"https:\/\/wahhingwp.com\/en\/products\/sika-%e8%a5%bf%e5%8d%a1-sikawell-a-%e9%81%87%e6%b0%b4%e8%86%a8%e8%84%b9%e6%ad%a2%e6%b0%b4%e6%a2%9d","provider":"華興建築防水材料有限公司","version":"1.0","type":"link"}